Question

Where does China rank among the worlds nations in the number of pre-mature deaths caused by air pollution?

Answer 1

According to the World Bank in 2007, 16 of the world's 20 most polluted cities are in China.[1][2]

Answer 2

Which of the following is a major source of air pollution in Hong Kong?
A. ash of the volcanic eruptions in the Philippines
B. sandstorms blowing in from Mongolia
C. sulfur dioxide from factories in Cambodia
D. emissions from power plants in Myanmar